IC443

IC 443 also known as the Jellyfish Nebula is a Galactic supernova remnant (SNR) in the constellation Gemini. On the plan of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years from Eart.
There is also IC444 on this picture. IC 444 is a small, 32 square arcminute reflection nebula.